The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green ...

A stream winding through a populous area on the outskirts of Buenos Aires has turned crimson red in recent hours that has ...

A stream south of the Argentine capital turned a freakish vermilion this week, prompting concerns about pollution. Officials ...

February 4, marked World Cancer Day, a reminder that early detection can save lives. According to the World Health Organization (WHO), recognising early signs of cancer can improve survival rates.

A canal in Argentina mysteriously turned bright red on Thursday, alarming residents who were woken up by its strong odor.

Poop is usually red because there is blood in it ... Undigested food in stool can also cause a color change. Unusual colors, such as green, may not signal a health issue. Stool color may vary ...

In the daytime, when we looked at this side of the river, it was completely red, all stained," Maria Ducomls told AFP. "It ...

Doctors call this symptom a change in stool caliber ... She noticed darker colored blood, rather than bright red blood. When it comes to colon cancer, the color of blood a person sees after ...

And in a book published by the UNIA in 1921, this is what was written about the significance of three of the four colors used for Black History Month: "Red is the color of the blood which men must ...

Argentina's Sarandí Canal turned red after what locals believe was a toxic spill from one of the neighborhood's industrial manufacturers.